title: The systematic removal of participants post-randomization can lead to alternate explanations of the results.
authors.forename: John A
authors.initials: JA
authors.lastname: Cunningham
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D002189:Marijuana Abuse / Q000628:therapy*; D017216:Telemedicine / Q000379:methods*
keywords: alternate explanation; confound; randomized controlled trial; research methods